12460440505 has 32 divisors (see below), whose sum is σ = 15424473600. Its totient is φ = 9660198912.

The previous prime is 12460440497. The next prime is 12460440539. The reversal of 12460440505 is 50504406421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12460440505 - 2³ = 12460440497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4774641 + ... + 4777249.

It is an arithmetic number, because the mean of its divisors is an integer number (482014800).

Almost surely, 2^12460440505 is an apocalyptic number.

It is an amenable number.

12460440505 is a deficient number, since it is larger than the sum of its proper divisors (2964033095).

12460440505 is a wasteful number, since it uses less digits than its factorization.

12460440505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12460440505 its reverse (50504406421), we get a palindrome (62964846926).

The spelling of 12460440505 in words is "twelve billion, four hundred sixty million, four hundred forty thousand, five hundred five".